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For objects heading toward Earth
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Nova

For objects heading toward Earth from the far reachesof the solar system, the giant...

Nova • S46E14 • 1974
For objects heading toward Earth from the far reaches
of the solar system, the giant planet's immense
gravity acts as a shield

Full Transcript

00:00:01.000 --> 00:00:02.769
For objects heading toward Earth
00:00:02.799 --> 00:00:05.965
from the far reaches of the solar system,
00:00:06.999 --> 00:00:09.702
the giant planet's immense gravity acts as a shield.
Duration
11 seconds
Views
86
Timestamp in Movie
00:41:18
Uploaded
Aug 27, 2023
Season
46
Episode
14
Genres
documentary

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Movie Summary

Science documentaries about various topics.
S48 • E18 So we're actually at a really exciting time now in astronomy. - Nova 00:20
So we're actually at a really exciting time now in astr...
S50 • E13 But around 350 million years ago, that balance was interrupted. - Nova 00:23
But around 350 million years ago, that balance was...
S50 • E15 Because subtle changes in Earth's orbit alter the amount of sunlight reaching its surface. - Nova 00:30
Because subtle changes in Earth's orbit alter the...
S50 • E14 The period immediately after the Permian is the Triassic period, and it was very, very hot. - Nova 00:24
The period immediately after the Permian is the Triassic...
S46 • E16 Detailed imagery beamed back by New Horizons - Nova 00:17
Detailed imagery beamed back by New Horizons
S50 • E13 The rapid spread of terrestrial plant life has left Earth a changed planet. - Nova 00:09
The rapid spread of terrestrial plant life has left Earth a...
S50 • E13 In the Southern Hemisphere, ice sheets form. - Nova 00:22
In the Southern Hemisphere, ice sheets form.
S50 • E14 LOOY: We, for instance, know that there were forests growing on the South Pole, and to make that happen, you need a warm planet. - Nova 00:11
LOOY: We, for instance, know that there were forests growing...
S50 • E15 They begin to farm. - Nova 00:52
They begin to farm.
S46 • E16 It looks like there's material - Nova 00:20
It looks like there's material
S50 • E11 For up to half a billion years, this oxygen has been trapped in the oceans. - Nova 00:10
For up to half a billion years, this oxygen has been trapped...
S46 • E14 On board the space shuttle Atlantis, - Nova 00:09
On board the space shuttle Atlantis,
S50 • E02 ♪ ♪ And Marc and Maram discover that these stones may demonstrate additional astronomical knowledge. - Nova 00:13
♪ ♪ And Marc and Maram discover that these stones may...
S50 • E14 WHITESIDE: Temperatures on land would be 120 degrees Fahrenheit, possibly up to 140, with heat waves on top of that. - Nova 00:52
WHITESIDE: Temperatures on land would be 120 degrees...
S50 • E11 But now, increasing amounts are free to escape. - Nova 00:28
But now, increasing amounts are free to escape.
S50 • E02 BUIE: That small stone there is exactly north of this stone. - Nova 00:24
BUIE: That small stone there is exactly north of this stone.
S50 • E13 As the ice sheets expand and contract, over millions of years, sea levels fluctuate, creating huge deltas where vast swamp forests spring up... - Nova 00:15
As the ice sheets expand and contract, over millions of...
S46 • E12 We saw bright highlands, but they had dark drainage channels. - Nova 00:07
We saw bright highlands, but they had dark drainage channels...
S46 • E19 In the very upper part of the bluffs, - Nova 00:11
In the very upper part of the bluffs,
S50 • E07 Only four hours earlier, they photographed this five-year-old male gear-free. - Nova 00:14
Only four hours earlier, they photographed this...